I always thought of trolls as the schoolyard bullies, big, tough, short tempered and too stupid for their own good, in that sense I would've thought that goading them into reckless behaviour would be quite realistic

I quite agree with your point, Solomai. Having differing levels of AI based on the actual intelligence of the creature is very good for keeping the theme with a game, especially where such things as trolls do exist. Is it good for gameplay? Well from what we've heard it's a no, so far. These types of things will be based on how things work out once they are implimented, and we find out what works best, both from our own standpoints and the standpoints of the beta testers.